We want to leave on May 1st and return on May 8th.
我想五月一日走,五月八日回来。
I asked him to fix it for me, but he wouldn't.
我请他帮我修理,但是他不肯。
When you come to think about it, there are only four ways you can deal with rubbish: dump it, burn it, turn it into something you can use again, attempt to produce less of it.